│   --- jsch-0.1.53/src/main/java/com/jcraft/jsch/ChannelSftp.java
├── +++ jsch-0.1.54/src/main/java/com/jcraft/jsch/ChannelSftp.java
│┄ Files similar despite different names (difference score: 1)
│ @@ -918,14 +933,23 @@
│  
│  	_dst=null;
│  	if(isDstDir){
│  	  int i=_src.lastIndexOf('/');
│  	  if(i==-1) dstsb.append(_src);
│  	  else dstsb.append(_src.substring(i + 1));
│            _dst=dstsb.toString();
│ +          if(_dst.indexOf("..")!=-1){
│ +            String dstc = (new java.io.File(dst)).getCanonicalPath();
│ +            String _dstc = (new java.io.File(_dst)).getCanonicalPath();
│ +            if(!(_dstc.length()>dstc.length() &&
│ +                 _dstc.substring(0, dstc.length()+1).equals(dstc+file_separator))){
│ +              throw new SftpException(SSH_FX_FAILURE,
│ +                                      "writing to an unexpected file "+_src);
│ +            }
│ +          }
│            dstsb.delete(dst.length(), _dst.length());
│  	}
│          else{
│            _dst=dst;
│          }
│  
│          File _dstFile=new File(_dst);